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Determination of sodium oxalate in Bayer liquor using flow-analysis incorporating an anion exchange column and tris(2,2`-bipyridyl)ruthenium(II) chemiluminescence detection

Barnett, Neil, Lewis, Simon W., Purcell, Stuart D. and Jones, Philip 2002, Determination of sodium oxalate in Bayer liquor using flow-analysis incorporating an anion exchange column and tris(2,2`-bipyridyl)ruthenium(II) chemiluminescence detection, Analytica chimica acta, vol. 458, no. 2, pp. 291-296.

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Title Determination of sodium oxalate in Bayer liquor using flow-analysis incorporating an anion exchange column and tris(2,2`-bipyridyl)ruthenium(II) chemiluminescence detection
Author(s) Barnett, Neil
Lewis, Simon W.
Purcell, Stuart D.
Jones, Philip
Journal name Analytica chimica acta
Volume number 458
Issue number 2
Start page 291
End page 296
Publisher Elsevier Science B.V.
Place of publication New York, N.Y.
Publication date 2002-05-06
ISSN 0003-2670
1873-4324
0924-2031
Keyword(s) flow-analysis
anion exchange separation
oxalate
Bayer liquor
tris(2,2'-bipyridyl)ruthenium(II) chemiluminescence
Summary Semi-automated flow injection instrumentation, incorporating a small anion exchange column coupled with tris(2,2′-bipyridyl)ruthenium(II) (Ru(bipy)32+) chemiluminescence detection, was configured and utilised to develop rapid methodology for the determination of sodium oxalate in Bayer liquors. The elimination of both negative and positive interferences from aluminium(III) and, as yet, unknown concomitant organic species, respectively are discussed. The robustness of the methodology was considerably enhanced by using the temporally stable form of the chemiluminescence reagent, tris(2,2′-bipyridyl)ruthenium(III) perchlorate in dry acetonitrile. Real Bayer process samples were analysed and the results obtained compared well with those performed using standard methods within industrial laboratories.
Notes Available online 12 February 2002.
Language eng
Field of Research 030103 Flow Analysis
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2002, Elsevier Science B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30001740

Document type: Journal Article
Collection: School of Biological and Chemical Sciences
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